html {
	font-size: 10px;
}
body {
	width: 100%;
	/*height: 100%;*/
	/*position: relative;*/
	/*overflow: hidden;*/
}
/*头部*/
.header {
	width: 100%;
	background-color: #fff;
	z-index: 2;
	height: 10rem;
	display: flex;
	justify-content: space-around;
	align-items: center;
	position: fixed;
	top: 0;
	left: 0;
}
.header a {
	font-size: 3.6rem;
	color: #9b9b9b;
}
.header .selected a {
	color: #53a9d6;
}

